detect

Apparently OBD code 1170 is also attributable to a hairline crack on the catalytic converter, I have heard of possible repairs to this problem, does anyone know how to detect it and how to repair it? Please any thought would be appreciated. Tks Lou

07 RRS SC, I have no faults and the previous owner had these components replaced by LR less than 10K ago because Air suspension light was displayed; all 4 ride height sensors replaced, dryer, compressor kit (rebuild) relay fuse, 4 suspension bushings lower control arm. My problem is when I leave...

I'd had an intermitant EAS fault on my P38 4.6HSE where the lights would all come on, warning message and alarm, and the car went to the highest setting. Next morning, everything normal. Scanned and checked the fault codes using Faultmate; front right and rear left sensors where out of range...